The number of circulating vaccine-derived poliovirus (cVDPV) cases reported in 2017 is now 47 as additional cases have been reported in Syria and the Democratic Republic of the Congo (DRC), according to the Global Polio Eradication Initiative (GPEI). In Syria, six new cases of circulating vaccine-derived poliovirus type 2 (cVDPV2) were officially reported in the past week … Continue reading Vaccine-derived polio: More cases reported in Syria, DRC